Home / 28,192.59-42,278.22-8,464.50

Finding the Fourth Proportional to 28,192.59, 42,278.22 and 8,464.50

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Solution

The fourth proportional to 28,192.59, 42,278.22 and 8,464.50 is: 12,693.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192.59 : 42,278.22 = 8,464.50 : x
  2. Step 2: Convert to fraction form
    28,192.59/42,278.22 = 8,464.50/x
  3. Step 3: Cross multiply
    28,192.59x = 42,278.22 × 8,464.50
  4. Step 4: Simplify right side
    28,192.59x = 357,863,993.19
  5. Step 5: Solve for x
    x = 357,863,993.19/28,192.59
  6. Step 6: Final answer
    x = 12,693.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.